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Merge pull request #104386 from Repiteo/core/cpp-math

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Core: Replace C math headers with C++ equivalents
This commit is contained in:
Thaddeus Crews
2025-04-27 19:21:22 -05:00
parent 841bfbba5b ad40939b6f
commit 3947cbe3b2
101 changed files with 414 additions and 498 deletions
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10
drivers/gles3/effects/cubemap_filter.cpp
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@@ -92,13 +92,13 @@ CubemapFilter::~CubemapFilter() {
Vector3 importance_sample_GGX(Vector2 xi, float roughness4) {
// Compute distribution direction
float phi = 2.0 * Math::PI * xi.x;
float cos_theta = sqrt((1.0 - xi.y) / (1.0 + (roughness4 - 1.0) * xi.y));
float sin_theta = sqrt(1.0 - cos_theta * cos_theta);
float cos_theta = std::sqrt((1.0 - xi.y) / (1.0 + (roughness4 - 1.0) * xi.y));
float sin_theta = std::sqrt(1.0 - cos_theta * cos_theta);
// Convert to spherical direction
Vector3 half_vector;
half_vector.x = sin_theta * cos(phi);
half_vector.y = sin_theta * sin(phi);
half_vector.x = sin_theta * std::cos(phi);
half_vector.y = sin_theta * std::sin(phi);
half_vector.z = cos_theta;
return half_vector;
@@ -182,7 +182,7 @@ void CubemapFilter::filter_radiance(GLuint p_source_cubemap, GLuint p_dest_cubem
float solid_angle_sample = 1.0 / (float(sample_count) * pdf + 0.0001);
float mip_level = MAX(0.5 * log2(solid_angle_sample / solid_angle_texel) + float(MAX(1, p_layer - 3)), 1.0);
float mip_level = MAX(0.5 * std::log2(solid_angle_sample / solid_angle_texel) + float(MAX(1, p_layer - 3)), 1.0);
sample_directions[index * 4 + 3] = mip_level;
weight += light_vec.z;